Michell Instruments XZR500ST, Руководство пользователя

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XZR500 User’s Manual
32 97137 Issue 8, April 2017
OPERATION
Stop gas?
Yes * No -
8. Once the veri fi cation step is completed
or skipped, the screen shows ‘Stop gas?’
to remind the user to switch off the
calibration/control gas.
Con fi rm the fi nish of the calibration with
the [*] key and move to next page.
The calibration/control gas should now be
switched off and, if necessary, the process
gas reconnected back to the analyzer.
[–] key – No effect
Adjustment sequence
Purge running
9. After the analyzer leaves the calibration
mode the screen alternates, displaying
two messages - ‘Purge running’ and
the real live measurement of the purge
(process) gas. This procedure cleans all
the calibration gas in the analyzer. It takes
about 3 minutes.
At the end of the purge the 4-20 mA
output will be released.
Adjustment sequence
xx.xx
10. The purging process can be stopped after
one minute. Press the [*] key and hold
until the default main page appears.
Fault
Calibration
If the following message is displayed the
analyzer calibration was not successful.
Press RESET
(Figure 7) or press the [+]
and [–] keys to cancel the message.
This may occur when:
• The O
2
concentration of the calibration
gas is different from the value set in
‘Set-up menu’ Access code 0.12. Go to
‘Test gas value’ under ‘Set-up menu’
Access code 0.12 to adjust it. (Refer to
details in Section 3.3.2.1).
• The MSRS is faulty. It should be
replaced.